package main

import (
	"fmt"
	"math"
	"strings"
)

func main() { 
	fmt.Println(math.MaxInt64 == int(^uint(0) >> 1) )
	var i int8
	i = -1 << 7
	fmt.Printf("%b", i)
	fmt.Println()
	fmt.Println(i)
	var a int8
	a = i + 1
	fmt.Printf("%b", a)
	fmt.Println()
	fmt.Println(a)
	b := a + 1
	fmt.Printf("%b", b)
	fmt.Println()
	fmt.Println(b)

	fmt.Println(len(strings.Split("dfdsf", ",")))
}
